2. Reduced Mantel Height / Optional Framing
Construction Required
Non-combustible
antel ate ial ini u ei t
o ase o e la e to un e si e o antel 46 in
1168
en t e ollo in en losu e onst u tion
ate ials a e use
Non- o
usti le a in ate ials ust e use a ove
e la e to ei t o 84 in 2134
o to t e eil
-
in o ase o e la e o all onst u tion ate ials
a in e
e s s eetin an all nis ate ials
1. Minimum Clearances to Combustibles
P o s it io n c o m b u s t ib l e /
no n- c o m b u s t ib l e m a nt e l
60 in. ( 1 5 24 m m ) f r o m
b a s e o f f ir e p l a c e
1 2 in.
( 30 5 m m )
46- 1 /4 in.
( 1 1 75 m m )
24 in.
( 61 0 m m )
2 in.
( 5 1 m m )
48 - 1 /4 in.
( 1 226 m m )
42-1/4 in.
( 1 0 73 m m )
The finished cavity depth must
be no less than 24 in. (610 mm)
from the finished backwall to
the outside of front wall framing.
Figure 3.3
Framing the Fireplace
WITHIN ENCLOSURE AREA
i e la e to a
all
1 in 25
i e la e to si e all
1 in 25
Du t oots to a in
0 in 0
To stan o s to ea e
0 in 0
Doo o enin to si e all
22- 8 in 581
EXPOSED SURFACES
a e late to si e all
16 in 406
Heat one ai ills to eilin
12 in 305
MANTEL
Mantel ini u ei t
60 in 1524
Ma i u antel e t
12 in 305
12
Heat & Glo • NORTHSTAR • 480-2360 Installation Manual • Rev D • 05/30/13
